.container {
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.container--narrow { max-width: var(--container-narrow); }
.grid {
  display: grid;
  grid-template-columns: repeat(1, minmax(0, 1fr));
  gap: var(--space-6);
}

@media (min-width: 768px) {
  .grid { grid-template-columns: repeat(12, minmax(0, 1fr)); }
  .grid > * { grid-column: 1 / -1; }
}

.section {
  padding-block: var(--section-y);
}

.section--tight { padding-block: var(--section-y-tight); }
.section--dark,
.on-dark {
  background-color: var(--surface-dark);
  color: var(--text-on-dark);
  --text: var(--text-on-dark);
  --text-muted: var(--text-on-dark-muted);
  --text-subtle: var(--text-on-dark-subtle);
  --border: var(--border-dark);
  --border-strong: var(--ink-500);
  --surface: var(--surface-dark);
  --surface-alt: var(--surface-dark-raised);
  --action: var(--action-on-dark);
  --live: var(--live-on-dark);
}

.section--alt { background-color: var(--surface-alt); }

.section-head {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  justify-content: space-between;
  gap: var(--space-5);
  margin-bottom: var(--space-7);
}

.section-head__titles {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  min-width: 0;
}

.section-kicker {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  color: var(--text-muted);
}
.section-kicker::before {
  content: '';
  flex: none;
  width: var(--border-thick);
  height: 1.1em;
  background: var(--action);
}

.section-title {
  font-size: var(--step-5);
  max-width: 18ch;
}
@media (max-width: 520px) {
  .section-title { font-size: var(--step-4); }
}

.section-title--wide { max-width: none; }

.section-head__aside {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  flex: none;
}

.dial {
  position: relative;
  display: flex;
  align-items: flex-end;
  gap: 0;
  height: 46px;
  overflow: hidden;
  user-select: none;
}

.dial__tick {
  flex: 1 1 auto;
  min-width: 0;
  height: 10px;
  border-left: 1px solid var(--border-strong);
  opacity: 0.55;
}
.dial__tick--major { height: 20px; opacity: 0.9; }
.dial__mark {
  position: relative;
  flex: none;
  width: 0;
  height: 100%;
  border-left: var(--border-thick) solid var(--action);
}

.dial__label {
  position: absolute;
  bottom: calc(100% - 46px);
  left: 0;
  transform: translateX(-50%);
  padding-bottom: var(--space-2);
  color: var(--action);
  white-space: nowrap;
}
.dial-rule {
  border-block: var(--border-hairline) solid var(--border);
  padding-block: var(--space-5);
  background: var(--surface);
}

.reveal {
  opacity: 0;
  transform: translateY(12px);
  transition:
    opacity var(--duration-slow) var(--ease-out),
    transform var(--duration-slow) var(--ease-out);
}

.reveal.is-visible {
  opacity: 1;
  transform: none;
}
.no-js .reveal { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; }
}